12430330131 has 4 divisors (see below), whose sum is σ = 16573773512. Its totient is φ = 8286886752.

The previous prime is 12430330109. The next prime is 12430330139. The reversal of 12430330131 is 13103303421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12430330131 - 2⁶ = 12430330067 is a prime.

It is a super-2 number, since 2×12430330131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12430330098 and 12430330107.

It is not an unprimeable number, because it can be changed into a prime (12430330139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071721686 + ... + 2071721691.

It is an arithmetic number, because the mean of its divisors is an integer number (4143443378).

Almost surely, 2^12430330131 is an apocalyptic number.

12430330131 is a deficient number, since it is larger than the sum of its proper divisors (4143443381).

12430330131 is an equidigital number, since it uses as much as digits as its factorization.

12430330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143443380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12430330131 its reverse (13103303421), we get a palindrome (25533633552).

The spelling of 12430330131 in words is "twelve billion, four hundred thirty million, three hundred thirty thousand, one hundred thirty-one".